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Contact SupplierCalcium Carbonate | 93 % to 99 % |
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Free Silica | 1% max |
Other Oxides | 0.55 % |
Brightness | 96% |
Luster | Vitreous |
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Diaphone (Transparency) | Transparent, Translucent |
Color | White |
Streak | White |
Hardness (Mohs') | 3 |
Hardness Data | Mohs' hardness reference species |
Tenacity | Brittle |
Cleavage | Perfect |
Perfect On | {10-11} |
Fracture | Irregular/Uneven, Step-Like |
Density (measured) | 2.7102 g/cm3 |
Density (calculated) | 2.711 g/cm3 |